US5860463A - End stop device for an electrically operated window screening arrangement - Google Patents

End stop device for an electrically operated window screening arrangement Download PDF

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Publication number
US5860463A
US5860463A US08/849,952 US84995297A US5860463A US 5860463 A US5860463 A US 5860463A US 84995297 A US84995297 A US 84995297A US 5860463 A US5860463 A US 5860463A
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US
United States
Prior art keywords
motor
movement
window
screening arrangement
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US08/849,952
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English (en)
Inventor
Gert Godvig Lassen
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VKR Holding AS
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VKR Holding AS
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Assigned to V. KANN RASMUSSEN INDUSTRI A/S reassignment V. KANN RASMUSSEN INDUSTRI A/S ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LASSEN, GERT GODVIG
Application granted granted Critical
Publication of US5860463A publication Critical patent/US5860463A/en
Assigned to VKR HOLDING A/S reassignment VKR HOLDING A/S CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: V. KANN RASMUSSEN INDUSTRI A/S
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/70—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned outside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/60—Spring drums operated only by closure members
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling

Definitions

  • the invention concerns an end stop device for an electrically operated window screening arrangement of the type whose movement in one direction between two end positions corresponding to a screened window and an unscreened window, respectively, is effected by winding draw cords or strings connected with the screening arrangement on at least one winding drum positioned in a horizontal main frame or sash member of the window, said drum being over a motor shaft connected with an electric drive motor, whereas movement in the opposite direction is effected by means of a constant force during simultaneous unwinding of said draw cord or string from the winding drum, which end stop device comprises a contact for disruption of the motor current during movement in said opposite direction by activation from a sensor, the drive motor and said contact and sensor being positioned in or at said main frame or sash member.
  • DK publication no. 158 054 B discloses an electric drive mechanism for a venetian blind where the electric drive motor is provided on or built into the horizontal top section of the window sash. By hoisting the venetian blind, the motor is disconnected when the bottom rail of the venetian blind stops in the top position by detecting the motor current and activating a reset circuit when the power exceeds a pre-determined value.
  • the disconnection of the power supply to the motor in this known design is effected when the bottom rail reaches its bottom position in the way that a reed contact mounted on the bottom section of the sash is affected by a magnet positioned on the bottom rail of the venetian blind.
  • this known drive mechanism is not suited for other forms of screening devices as eg. roller blinds where it is the rolling down movement which is motor-driven, whereas the rolling up movement is effected by means of a constant spring force.
  • an electric operating device for a venetian blind where limit contacts for stopping the drive motor at both upward and downward movement are mounted in the motor casing built into the top list of the venetian blind, operating means for the contacts being journalled and guided in the motor casing and comprising a pin which protrudes through the motor casing and functions as an abutment for the bottom rail of the venetian blind in the top position and to which a projecting sensor lever is fastened, said lever is affected by the draw cord or string of the venetian blind and activates the contact when the cord or string are slackened at the stop of the bottom rail in the bottom position.
  • this embodiment represents a simplification as to installation, it requires a relatively complicated contact device and is aesthetically less attractive due to the operating members projecting from the motor casing.
  • the object of the invention is to provide a further simplified end stop device of the mentioned type where the drive motor and all parts of the end stop device may be built into the very same horizontal section of the window main frame or sash without projecting operating members, and where, in addition, the end stop device is suitable for all kinds of window screening arrangements of the stated type such as venetian blinds, pleated blinds, roller shutters, roller blinds, insect screens etc.
  • the end stop device is characterized in that the motor shaft is journalled in such a way that in a plane substantially parallel with said moving directions, said shaft may perform a limited tilting movement with axis of rotation in or at its connection with the drive motor between an active position for unrolling or rolling up and an inactive position, and that the sensor comprises a contact member belonging to the contact and in abutment against a shaft part situated at a distance from the motor, and the shaft is spring-biassed in the opposite direction of the load on the shaft effected by said draw cords or strings in order to act on the shaft towards said inactive position.
  • the contact is actuated to disruption of the motor current, eg. by resetting commands to a motor control circuit, and the spring-biassed contact member may tilt the motor shaft to the inactive position by slackening the draw cord or string as the screening arrangement takes the end position in question or meets some obstruction during its movement.
  • the device according to the invention is distinguished by an extremely simple construction with few single parts which may all be built in a hidden manner into the top section or the bottom section of the window main frame or sash depending on the used form of screening device.
  • FIGS. 1 and 2 show a front and a side view, respectively, of an embodiment of a screening arrangement such as a pleated fold or a venetian blind, actuated by a downward power, e.g. the gravitational force, incorporating the end stop device according to the invention and shown in an intermediate position;
  • a downward power e.g. the gravitational force
  • FIGS. 3 and 4 are front and side views corresponding to FIGS. 1 and 2, respectively, of the same embodiment, with the screening arrangement in a lowered end position corresponding to a screened window;
  • FIG. 5 shows an embodiment of a spring-biassed screening arrangement such as a roller blind incorporating the end stop device of the invention.
  • a window screening arrangement in the form of eg. a venetian blind or a pleated blind is schematically represented by a bottom rail 1 which, as shown in FIG. 3, in the fully lowered end position of the screening arrangement where the window is screened, abuts against a lower horizontal main frame or sash member 2 in the window.
  • the screening arrangement 1 is suspended in draw cords or strings 3 and 4 which in one end are fastened to the bottom rail 1 and in the opposite upper end are wound on winding drums 5 and 6 which are built into an upper horizontal main frame or sash member schematically represented by its wall 7 facing downwards.
  • winding drums 5 and 6 are via a common motor shaft 8 in driving connection with an electrical drive motor 9 also built into the main frame or sash member 7.
  • the lowering of the screening arrangement is effected in the direction shown by the arrow 10 in FIG. 1 by a downward force which may in particular be the gravitational force perhaps assisted by a spring force or another force influence during simultaneous dewinding of the cords 3 and 4 from the drums 5 and 6 whereas hoisting or raising of the screening device is carried out merely by means of the motor 9 against said forces.
  • a contact 11 eg. in the form of a micro-switch which via a cable connection 12 acts on a non-shown control circuit for the motor 9, which is supplied with power via a cable connection 13.
  • the contact 11 is activated by a sensor, member as explained in the following, and thus interrupts the motor current.
  • winding drums 5 and 6 and the motor shaft 8 are in the shown embodiment journalled in bearing brackets 14 and 15 which as shown in FIGS. 3 and 4 are designed with a slot 16 for the motor shaft 8.
  • the motor shaft 8 is according to the invention journalled in such a way that in a plane substantially parallel with the moving direction for lowering and raising of the screening device, ie. the plane of the drawing, it is permitted to perform a tilting movement through an angular range v about the connection of the motor shaft 8 with the drive motor 9, said movement being limited by the extension of the slot 16.
  • the motor shaft 8 may thus be brought from the active position shown in FIG. 1 for dewinding and winding of the the draw cords 3 and 4 to the inactive position shown in FIG. 3.
  • the tilting movement is activated by engagement of a sensor member 17 acting on contact 11 against a part of the shaft 8 positioned at a distance from the motor 9, eg. at the bearing bracket 14 positioned farthest from the motor 9.
  • the sensor member 17 itself is spring-biassed to produce a spring force on the shaft 8 in the direction or arrow 17', i.e. opposite to the direction of the load acting on the motor shaft and originating from the draw cords 3 and 4.
  • This spring force may, however, also be produced by a separate, perhaps adjustable spring positioned under the shaft 8.
  • the invention may also be applied in connection with a screening arrangement 18, eg. a roller blind or a roller shutter, of the type where a flexible screening breadth 19, eg. a roller blind cloth or a set of slats in a roller shutter, is wound up on a spring-biassed roller 20 such that the rolling up movement is carried out by a constant spring force.
  • a screening arrangement 18 eg. a roller blind or a roller shutter
  • a flexible screening breadth 19 eg. a roller blind cloth or a set of slats in a roller shutter
  • the rolling down is effected by means of an electrical drive device positioned in a lower main frame or sash member 22 which device in principle is designed in the same way as shown in FIGS. 1-4 with two winding drums 25 and 26 for draw cords 23 and 24 which in the shown embodiment form one cord lead through the bottom rail 21 in order to secure a parallelism.
  • the drums 25 and 26 are over the motor shaft 28 connected with the drive motor 29.
  • the drums 25 and 26 and the motor shaft 28 are in the shown embodiment journalled in a common bearing bracket 30 with not-shown slots parallel with the direction of the cord force for the motor shaft.
  • the motor shaft may, by a spring-biassed contact member 32 in the end stop contact 31 or another perhaps adjustable spring positioned under the shaft, be made to perform a tilting movement in the same way as described above, however, in this case, by tightening the cords 23 and 24.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Blinds (AREA)
  • Window Of Vehicle (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
US08/849,952 1995-01-18 1996-01-17 End stop device for an electrically operated window screening arrangement Expired - Fee Related US5860463A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK083795A DK171579B1 (da) 1995-01-18 1995-01-18 Endestopmekanisme til en elektrisk drevet vinduesafskærmningsindretning
DK0054/95 1995-01-18
PCT/DK1996/000026 WO1996022446A1 (fr) 1995-01-18 1996-01-17 Dispositif de butoir pour un systeme de rideau de fenetre actionne par un moteur electrique

Publications (1)

Publication Number Publication Date
US5860463A true US5860463A (en) 1999-01-19

Family

ID=8089214

Family Applications (2)

Application Number Title Priority Date Filing Date
US08/849,952 Expired - Fee Related US5860463A (en) 1995-01-18 1996-01-17 End stop device for an electrically operated window screening arrangement
US08/860,423 Expired - Fee Related US5915447A (en) 1995-01-18 1996-01-17 Operating arrangement for an electrically operated window screening device

Family Applications After (1)

Application Number Title Priority Date Filing Date
US08/860,423 Expired - Fee Related US5915447A (en) 1995-01-18 1996-01-17 Operating arrangement for an electrically operated window screening device

Country Status (17)

Country Link
US (2) US5860463A (fr)
EP (2) EP0804675B1 (fr)
JP (2) JP3773953B2 (fr)
CN (1) CN1099521C (fr)
AT (2) ATE178385T1 (fr)
AU (2) AU704154B2 (fr)
CA (2) CA2208882A1 (fr)
CZ (1) CZ291564B6 (fr)
DE (2) DE69601921T2 (fr)
DK (2) DK171579B1 (fr)
EA (1) EA000115B1 (fr)
ES (2) ES2130778T3 (fr)
HU (1) HU223388B1 (fr)
NZ (1) NZ298380A (fr)
PL (1) PL181317B1 (fr)
SK (1) SK96197A3 (fr)
WO (2) WO1996022447A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110022233A1 (en) * 2007-03-06 2011-01-27 Asif Yadidya Apparatus for rotating shutter ' s axis
US20210047835A1 (en) * 2016-05-06 2021-02-18 Carefree/Scott Fetzer Company Anti-billow awning assembly

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1534803B (zh) 1996-06-26 2010-05-26 奥斯兰姆奥普托半导体股份有限两合公司 具有发光变换元件的发光半导体器件
DK9097A (da) * 1997-01-24 1998-07-25 Rasmussen Kann Ind As Universal monterings- og parallelføringsarrangement for en vinduesafskærmningsindretning
FR2762643B1 (fr) 1997-04-29 1999-07-02 Simu Produit enroulable motorise equipe d'un dispositif d'arret sensible a une variation de poids
DK176092B1 (da) * 1998-07-21 2006-05-22 Vkr Holding As Afskærmningsarrangement til et vindue samt universal monterings- og parallelföringsarrangement for en vinduesafskærmningsindretning
CN1737325B (zh) * 2001-02-28 2012-11-21 Vkr控股公司 驱动装置及其手动操作方法和应用该驱动装置的屏蔽装置
ITMI20031902A1 (it) * 2003-10-03 2005-04-04 Pellini Spa Sistema per la manovra di una tenda a telo inserita in una vetro-camera.
CN101099022A (zh) 2005-01-11 2008-01-02 Vkr控股公司 用于遮蔽窗户的遮蔽设备的绳索导引系统所用的卷绕设备
US20070000618A1 (en) * 2005-06-30 2007-01-04 Philip Ng Roman blind assembly
US8109403B2 (en) * 2005-09-30 2012-02-07 Michel's Industries Ltd. Hopper cover with retractable flexible closure member
ATE493362T1 (de) * 2005-10-21 2011-01-15 Inventio Ag Aufzugstürvorrichtung
US7493933B2 (en) * 2006-08-15 2009-02-24 Li Xinian Retractable window shade
PL2094931T3 (pl) 2006-12-22 2018-12-31 Vkr Holding A/S Urządzenie zasłaniające
DE102007012259A1 (de) * 2007-03-12 2008-09-18 Bos Gmbh & Co. Kg Sonnenschutzrollo für Kraftfahrzeuge
US8087445B2 (en) * 2009-06-23 2012-01-03 Newell Window Furnishings, Inc. Spring motor and window covering
US20110194040A1 (en) * 2010-02-08 2011-08-11 Du Pont Apollo Limited Auto light-shading system
US20190226274A1 (en) * 2018-01-23 2019-07-25 Jose Magenst Wind Damage Abating System
US11377904B2 (en) 2018-12-14 2022-07-05 Crestron Electronics, Inc. Roller shade for non-rectangular windows
US11053731B2 (en) 2019-05-28 2021-07-06 Crestron Electronics, Inc. Skylight roller shade with a cable cone indexing mechanism
US11053732B2 (en) 2019-05-28 2021-07-06 Crestron Electronics, Inc. Skylight roller shade alignment mechanism
DE102019212097B4 (de) * 2019-08-13 2021-05-27 Bos Gmbh & Co. Kg Seilantriebssystem für eine Schutzvorrichtung eines Fahrzeuginnenraums

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603372A (en) * 1968-09-18 1971-09-07 Hueppe Justin Fa Electrically operated venetian blind
US3809143A (en) * 1972-06-29 1974-05-07 A Ipekgil Automatic control for venetian blind
EP0040800A1 (fr) * 1980-05-22 1981-12-02 Henkenjohann, Johann Volet roulant
EP0410699A2 (fr) * 1989-07-27 1991-01-30 Kabushiki Kaisha Nichibei Ecran à rouleau entraîné par moteur
DE3925695A1 (de) * 1989-08-03 1991-02-07 Mobilo Kleu Gmbh Motorisch betaetigter trennvorhang fuer raeume, hallen od. dgl.
US5178200A (en) * 1990-12-14 1993-01-12 Halge Hagen Venetian-or pleated blinds, particularly for multiple pane insulating glass window
US5515898A (en) * 1994-12-23 1996-05-14 A & C Products Operating mechanism for aircraft window shades

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US550668A (en) * 1895-12-03 Permutation-pad lock
GB189512632A (en) * 1895-07-01 1896-05-30 William Spence Geddie Improvements in Sun or Shade Blinds and other Window Blinds.
SE318989B (fr) * 1967-03-14 1969-12-22 Nygeverken Ab
FR2504578A1 (fr) * 1981-04-28 1982-10-29 Franciaflex Store a guidage lateral et a grande extension tel qu'un velum pour serres, verandas et analogues
JPS58127043U (ja) * 1982-02-22 1983-08-29 誠和化学株式会社 フイルム等の巻取り巻戻し装置
AT389535B (de) * 1987-04-13 1989-12-27 Andritz Ag Maschf Nasspresse
US5025847A (en) * 1989-06-27 1991-06-25 Rytec Corporation Apparatus for accommodating application of a force in excess of a predetermined magnitude and closure employing such apparatus
JPH0478628A (ja) * 1990-05-23 1992-03-12 Nhk Spring Co Ltd シート状物巻取装置
US5620039A (en) * 1995-02-10 1997-04-15 Rytec Corporation Apparatus for providing a slidingly-separable connection between a movable barrier and a means for guiding the barrier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603372A (en) * 1968-09-18 1971-09-07 Hueppe Justin Fa Electrically operated venetian blind
US3809143A (en) * 1972-06-29 1974-05-07 A Ipekgil Automatic control for venetian blind
EP0040800A1 (fr) * 1980-05-22 1981-12-02 Henkenjohann, Johann Volet roulant
EP0410699A2 (fr) * 1989-07-27 1991-01-30 Kabushiki Kaisha Nichibei Ecran à rouleau entraîné par moteur
DE3925695A1 (de) * 1989-08-03 1991-02-07 Mobilo Kleu Gmbh Motorisch betaetigter trennvorhang fuer raeume, hallen od. dgl.
US5178200A (en) * 1990-12-14 1993-01-12 Halge Hagen Venetian-or pleated blinds, particularly for multiple pane insulating glass window
US5515898A (en) * 1994-12-23 1996-05-14 A & C Products Operating mechanism for aircraft window shades

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110022233A1 (en) * 2007-03-06 2011-01-27 Asif Yadidya Apparatus for rotating shutter ' s axis
US8264185B2 (en) * 2007-03-06 2012-09-11 Asif Yadidya Apparatus for rotating shutter's axis
US20210047835A1 (en) * 2016-05-06 2021-02-18 Carefree/Scott Fetzer Company Anti-billow awning assembly
US11952782B2 (en) * 2016-05-06 2024-04-09 Carefree/Scott Fetzer Company Anti-billow awning assembly

Also Published As

Publication number Publication date
AU704154B2 (en) 1999-04-15
HUP9800271A2 (hu) 1998-05-28
CZ224497A3 (cs) 1998-03-18
DE69601921D1 (de) 1999-05-06
AU4385496A (en) 1996-08-07
DE69601921T2 (de) 1999-12-02
ES2124077T3 (es) 1999-01-16
CN1099521C (zh) 2003-01-22
NZ298380A (en) 1999-04-29
ES2130778T3 (es) 1999-07-01
DK171579B1 (da) 1997-01-27
JPH10512341A (ja) 1998-11-24
EP0804675B1 (fr) 1999-03-31
HU223388B1 (hu) 2004-06-28
EP0804675A1 (fr) 1997-11-05
AU4385396A (en) 1996-08-07
PL181317B1 (pl) 2001-07-31
US5915447A (en) 1999-06-29
CA2209879A1 (fr) 1996-07-25
DK0804675T3 (da) 1999-10-11
EA000115B1 (ru) 1998-08-27
DE69600722T2 (de) 1999-06-02
HUP9800271A3 (en) 2000-02-28
SK96197A3 (en) 1998-01-14
JP3773953B2 (ja) 2006-05-10
JPH10512342A (ja) 1998-11-24
ATE178385T1 (de) 1999-04-15
EA199700113A1 (ru) 1997-12-30
DK5495A (da) 1996-07-19
DE69600722D1 (de) 1998-11-05
EP0804674A1 (fr) 1997-11-05
CA2208882A1 (fr) 1996-07-25
PL321189A1 (en) 1997-11-24
CN1173906A (zh) 1998-02-18
ATE171756T1 (de) 1998-10-15
WO1996022447A1 (fr) 1996-07-25
JP3715318B2 (ja) 2005-11-09
EP0804674B1 (fr) 1998-09-30
MX9705127A (es) 1998-07-31
WO1996022446A1 (fr) 1996-07-25
CZ291564B6 (cs) 2003-04-16

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